Colt Conversion Unit .45-.22 (.45 ACP-.22 LR) - Serial Number U75

M. Dolfi Collection

Colt .45 -.22 Conversion Unit serial number U75
- This unit was designed by Colt to convert the Service Model Ace in .22 LR
to .45 ACP. The unit was fitted with Stevens sights and a match grade
barrel. Production was extremely limited with just 112 units produced.
This unit is accompanied by its original box numbered to the unit as well as
the Colt factory deluxe presentation case.